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Shimano Front Freewheel System (FFS)
This aptly-acronymic system included a fixed rear gear cluster and a crank-mounted freewheel. This made it so the drive train was always in motion whenever the bike was in motion. The idea was so that a rider could shift while coasting, but maybe having the chainrings always spinning during the time of bootcut and bellbottom pants wasn't the best idea. Most common on old Schwinns.
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I'll throw a couple more on here:
Shimano Positron: the original index shifting for the masses (ignoring Sturmey Archer et al) where a solid metal wire both pushed and pulled the springless rear derailleur.This cool system is the bane of shop mechanics who have to explain that, yes, the customer will have to replace the entire shifting because parts don't exist and no, we can't just "throw a cable on it"
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Was gonna put this in the Curious Components thread but felt it didn't actually belong there, maybe its already been posted here seeing as though its a year old. Let's call it an artisanal hack.
Chapman playing around with left over Mafac Racers
https://www.instagram.com/p/B0jQNj2lDpd/ -
https://road.cc/content/feature/retro-l-shaped-cranks-bad-idea-just-wont-die-181256
Before Rotor over-engineered their little mistake, L cranks were all the rage for power transfer (although unlike the Rotor cranks, these INARGUABLY didn't work)
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There's a guy a city over from me in the US who makes these horrid circa 2004 style fixies with flashy colors, heavy china aerospoks, cheap cheap tires, and stupid tall gear ratios. He posts them all on his insta and actually thinks they look good. The insta is (at)madeit4ya and all of his "work" is there.
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Love the color coordination. Great build!
I think it's honestly a great bike. Horizontal drop outs for easy SS, short top tube make it good for either drop bars or risers w/long stem. Common seatpost, common headset, common everything. It's possible one of the best all-rounder bikes.
My only real qualms with it are tire clearance. I guess at least one of my bikes has to be sensible. -
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This bike was basically a "how cheaply can I build a bike without spending a single dime?"
Started out life as a big box cruiser. Swapped the fork for a stock '84 Stumpjumper fork that someone had "converted" (read: hacked) to threadless, used some questionable Monkeylites, an old Turbo saddle, and some beefy old mtb tires that weren't good for real riding. Spaced a freewheel rear wheel to 120 and dished it out, and bodged an American-to-Euro bb adapter and a loose bearing bb. Finished it off with a trendy rattlecan paintjob.
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Bought this frameset at a swap last weekend. Frame is from 91 and originally had a full Built it up with all these cool parts I had laying around. Managed to fit 28mm tires and it rides really nice. Love turning these old race frames into randos